Base | Representation |
---|---|
bin | 11010101100000… |
… | …11110000110110 |
3 | 120121021121101112 |
4 | 31112003300312 |
5 | 424303331030 |
6 | 34114355022 |
7 | 5356001000 |
oct | 1526036066 |
9 | 517247345 |
10 | 223886390 |
11 | 105418182 |
12 | 62b8ba72 |
13 | 374cb670 |
14 | 21a3d370 |
15 | 149c6a95 |
hex | d583c36 |
223886390 has 64 divisors (see below), whose sum is σ = 506217600. Its totient is φ = 70842240.
The previous prime is 223886387. The next prime is 223886419. The reversal of 223886390 is 93688322.
223886390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42080 + ... + 47100.
It is an arithmetic number, because the mean of its divisors is an integer number (7909650).
Almost surely, 2223886390 is an apocalyptic number.
223886390 is an abundant number, since it is smaller than the sum of its proper divisors (282331210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
223886390 is a wasteful number, since it uses less digits than its factorization.
223886390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5062 (or 5048 counting only the distinct ones).
The product of its (nonzero) digits is 124416, while the sum is 41.
The square root of 223886390 is about 14962.8336220116. The cubic root of 223886390 is about 607.2151023472.
The spelling of 223886390 in words is "two hundred twenty-three million, eight hundred eighty-six thousand, three hundred ninety".
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